A.I. Experiments by Google - Explore machine learning by playing w/ pics, music, and more
Hadur - HADUR is a free mobile location based multiplayer game for Android, iPhone, iPad and Windows Phones.
Swift Playgrounds - Learn serious code on your iPad in a seriously fun way
Sighter - Sighter is a social, outdoor treasure hunting activity, where you can play hide and seek with...
Talk to Books by Google - Browse passages from books using experimental AI
Geocaching - Geocaching is the premier app for locating geocaches. This app is available for both the Android and iOS platforms, and it makes locating these popular hidden treasures easy and fun.